Portion of a vacuum cleaner



FIG. 1 is a top, front and right side perspective view of a portion of a vacuum cleaner showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of the remainder of the vacuum cleaner including the panel seams is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a vacuum cleaner, as shown and described. 